Drive Cycle Q

DTC	Item	Condition	Number of driving cycles on the detecting condition
P0191	FUEL RAIL PRESSURE SENSOR CIRCUIT RANGE/PERFORMANCE BANK 1	With the ignition switch ON (engine stopped), read the value in [Coolant Temp.]. If the engine coolant temperature meets the condition of = 30°C, idle the engine for 30 minutes or more. If the engine coolant temperature does not meet the condition of = 30°C, start the engine, wait until the engine coolant temperature meets the condition of = 30°C, turn OFF the ignition switch once, then idle the engine for 30 minutes or more. At least 6 hours must have elapsed since ignition switch was OFF. For models with block heater, at least 6 hours must have elapsed without operating the block heater.	2

Diagnostic procedure:

Idle the engine for at least one minute.
NOTE: Hold the select lever in "P" range or "N" range at idling.
Read the temporary code using the Subaru Select Monitor or general scan tool. Ref. to ENGINE (DIAGNOSTICS) (H4DOTC)>READ DIAGNOSTIC TROUBLE CODE (DTC) .